(!!!!!) (Recommended Pair) E80CF=7643 Valvo branded Philips Miniwatt SQ NOS 1963 (PREMIUM 6BL8 SUB) (Tuners)

(!!!!!) (Recommended Pair) E80CF=7643 Valvo branded Philips Miniwatt SQ NOS 1963 (PREMIUM 6BL8 SUB) (Tuners)

$89.99
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1 matched pair) E80CF=7643 Valvo branded Philips Miniwatt SQ NOS 1963 (Triode/Pentode) 1-3% matched in white boxes 1 tube) 11.3ma Gm=4600 and 9.5ma Gm=6300 1 tube) 11.6ma Gm=4600 and 10.4ma Gm=6000   Good Triode section Ma and Gm = 11-13ma Gm= 4500-5000 Good Pentode section Ma and Gm = 9-11ma Gm = 6000-6500   7643=E80CF is a "SPECIAL QUALITY" low noise medium-mu triode/pentode Specs are similar to 6BL8=ECF80   - McIntosh MR-67 tuner

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